Alameda County, California

Alameda County, California, has 27 towns and 69 ZIP codes, in area codes 510 (overlay 341), 925 and 209 (overlay 350).

Towns in Alameda County, A to Z

Town	ZIP codes	Area codes
Alameda	94501, 94502	510, 341
Albany	94706	510, 341
Ashland	nearest94541, 94578, 94580	510, 341
Berkeley	94701, 94702, 94703, 94704, 94705, 94707 and more	510, 341, 925
Blackhawk	nearest94506, 94582, 94588	925, 510, 341
Camino Tassajara	nearest94506, 94582, 94588	925, 510, 341
Castro Valley	94546, 94552	510, 341
Cherryland	nearest94541, 94578, 94580	510, 341
Dublin	94568	510, 341
Emeryville	94608, 94662	510, 341
Fairview	nearest94541, 94542, 94552	510, 341
Fremont	94536, 94537, 94538, 94539, 94555	510, 341
Hayward	94540, 94541, 94542, 94543, 94544, 94545 and more	510, 341
Kensington	nearest94706, 94707, 94708	510, 341, 925
Livermore	94550, 94551	510, 341
Mountain House	nearest95391	510, 341
Newark	94560	510, 341
Norris Canyon	nearest94552, 94582, 94583	925, 510, 341
Oakland	94601, 94602, 94603, 94604, 94605, 94606 and more	510, 341
Piedmont	94620	510, 341
Pleasanton	94566, 94588	510, 341
San Leandro	94577, 94578, 94579	510, 341
San Lorenzo	94580	510, 341
Sunol	94586	510, 341
Tracy	95304, 95376, 95377, 95378, 95391	209, 350, 510, 341
Union	nearest94536, 94544, 94587	510, 341
Union City	94587	510, 341

ZIP codes in Alameda County

94501Alameda510, 341
94502Alameda510, 341
94536Fremont510, 341
94537Fremont510, 341
94538Fremont510, 341
94539Fremont510, 341
94540Hayward510, 341
94541Hayward510, 341
94542Hayward510, 341
94543Hayward510, 341
94544Hayward510, 341
94545Hayward510, 341
94546Castro Valley510, 341
94550Livermore510, 341
94551Livermore510, 341
94552Castro Valley510, 341
94555Fremont510, 341
94557Hayward510, 341
94560Newark510, 341
94566Pleasanton510, 341
94568Dublin510, 341
94577San Leandro510, 341
94578San Leandro510, 341
94579San Leandro510, 341
94580San Lorenzo510, 341
94586Sunol510, 341
94587Union City510, 341
94588Pleasanton510, 341
94601Oakland510, 341
94602Oakland510, 341
94603Oakland510, 341
94604Oakland510, 341
94605Oakland510, 341
94606Oakland510, 341
94607Oakland510, 341
94608Emeryville510, 341
94609Oakland510, 341
94610Oakland510, 341
94611Oakland510, 341
94612Oakland510, 341
94613Oakland510, 341
94614Oakland510, 341
94615Oakland510, 341
94617Oakland510, 341
94618Oakland510, 341
94619Oakland510, 341
94620Piedmont510, 341
94621Oakland510, 341
94622Oakland510, 341
94623Oakland510, 341
94624Oakland510, 341
94649Oakland510, 341
94659Oakland510, 341
94660Oakland510, 341
94661Oakland510, 341
94662Emeryville510, 341
94666Oakland510, 341
94701Berkeley510, 341
94702Berkeley510, 341
94703Berkeley510, 341
94704Berkeley510, 341
94705Berkeley510, 341
94706Albany510, 341
94707Berkeley510, 341
94709Berkeley510, 341
94710Berkeley510, 341
94712Berkeley510, 341
94720Berkeley510, 341
95391Tracy510, 341

Area codes in Alameda County

Area code 510
In service since September 2, 1991. Shares its area with 341. Local calls are dialed with 1 plus ten digits.
Area code 341
In service since July 22, 2019. Shares its area with 510. Local calls are dialed with 1 plus ten digits.
Area code 925
In service since March 14, 1998. Local calls are dialed with 1 plus ten digits.
Area code 209
In service since 1958. Shares its area with 350. Local calls are dialed with 1 plus ten digits.
Area code 350
In service since November 28, 2022. Shares its area with 209. Local calls are dialed with 1 plus ten digits.

Local numbers in area code 510

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